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its kind of like 2 triangles put together at the tips

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16y ago

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Do sharks have backbones are sharks vertebrates or invertebrates what do sharks have in their back how do sharks bend their tail so bendly how are they so flexible with their tail are they cute?

Sharks do have backbones, making them vertebrates. Their skeletons are made mostly of cartilage and not actual bone, being of a more ancient classification of fish in evolutionary terms. Whether something is cute or not is subjective, however sharks aren't exactly an animal that have the head/body porportions similar to what humans usually see as cute, they don't look neotonous (like babies).


What is the common name for the alopiidae?

The common name for the Alopiidae family is thresher sharks. They are characterized by their long, whip-like tail fins that they use to stun prey.


What is the shape of the crocodile's tail?

The shape of a crocodile's tale is very similar to the shape of a snake's body.


Why sharks have cartilage and not bones?

Sharks have cartilage instead of bones because cartilage is more flexible and lighter, which helps them move more efficiently in the water. Cartilage also allows sharks to have a more streamlined body shape, making them better adapted for swimming and hunting in their aquatic environment.


Why do sharks penguins and aquatic mammals have the same fusiform body shape?

The fusiform body shape is hydrodynamic, allowing for efficient movement through water by reducing drag. Sharks, penguins, and aquatic mammals share this body shape to help them navigate through their aquatic environments with speed and agility. This streamlined design also helps in capturing prey and avoiding predators.